CVE-2024-56431

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift. NOTE: this is disputed by third parties because there is no evidence of a security impact, e.g., an application would not crash.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

No affected versions have been published.

Timeline

Published
Dec 25, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2024-56431: Critical severity, CVSS 9.8 | Vulnix